virtual void SetUp()
{
DagMC* dagmc = DagMC::instance(); // create dag instance
// dag_volumes
const char* h5mfilename = "test_geom.h5m";
dagmc->load_file(h5mfilename,0);
dagmc->init_OBBTree();
// new volume
vol_1 = new DagSolid("vol_1",dagmc,1);
}
//---------------------------------------------------------------------------/
// makePropertyString
//---------------------------------------------------------------------------//
///
static std::string make_property_string( DagMC& dag, EntityHandle eh, std::vector<std::string> &properties )
{
ErrorCode ret;
std::string propstring;
for( std::vector<std::string>::iterator p = properties.begin();
p != properties.end(); ++p )
{
if( dag.has_prop( eh, *p ) ){
std::vector< std::string> vals;
ret = dag.prop_values( eh, *p, vals );
CHECKERR(dag,ret);
propstring += *p;
if( vals.size() == 1 ){
propstring += "=";
propstring += vals[0];
}
else if( vals.size() > 1 ){
// this property has multiple values, list within brackets
propstring += "=[";
for( std::vector<std::string>::iterator i = vals.begin();
i != vals.end(); ++i )
{
propstring += *i;
propstring += ",";
}
// replace the last trailing comma with a close braket
propstring[ propstring.length()-1 ] = ']';
}
propstring += ", ";
}
}
if( propstring.length() ){
propstring.resize( propstring.length() - 2 ); // drop trailing comma
}
return propstring;
}
int main( int argc, char** argv)
{
moab::ErrorCode rval;
//Argument Vars
std::string filename;
double min_facet_tol = 1e-03;
double max_facet_tol = 0.9;
int facet_tol_intervals = 4;
Interface *mb = new Core();
ProgOptions po( "Program for running ray_fire tests on a model.");
po.addRequiredArg<std::string>( "input_file", "Filename of model to test.", &filename);
po.addOpt<double>( "min_facet_tol", "Minimum faceting tolerance to test.", &min_facet_tol);
po.addOpt<double>( "max_facet_tol", "Maximum faceting tolerance allowed. The program will halt if this is reached.", &max_facet_tol);
po.addOpt<int>( "num_ints", "Number of intervals to add to the minimum faceting tolerance. These are added in multiples of 10% of the minimum faceting tolerance.", &facet_tol_intervals);
po.parseCommandLine( argc, argv);
//data storage containers
std::vector<int> tri_numbers;
std::vector<double> timing;
std::vector<double> facet_tols;
//initalize facet_tol param
double facet_tol = min_facet_tol;
double power = 0.0;
double digit = 1.0;
for(unsigned int i = 1; i <= facet_tol_intervals; i++)
{
if ( 0 == i%10 && i != 0 ) power += 1;
digit = ( 0 == i%10 ) ? 1.0 : i%10;
facet_tol = min_facet_tol * pow(10,power) * digit;
std::cout << "Facet tolerance:" << facet_tol << std::endl;
//if ( 0 != i) facet_tol = (0 == i%2) ? min_facet_tol*pow(5,double(i)/2)*pow(2,double(i)/2) : min_facet_tol*pow(5,((double(i)-1)/2)+1)*pow(2,double((i)-1)/2);
// stop the program if we've gone over the maximum faceting tolerance
if (facet_tol > max_facet_tol)
{
std::cout << "Maximum faceting tolerance reached, exiting loop and writing data..." << std::endl;
break;
}
//save faceting tolerance for write to datafile
facet_tols.push_back(facet_tol);
//setup fileoptions string
std::stringstream options; options << "FACET_DISTANCE_TOLERANCE=" << std::setprecision(12) << facet_tol;
std::string opts = options.str();
//Load the file and facet
rval = mb->load_file( filename.c_str(), 0, opts.c_str() );
ERR_CHECK(rval);
//get the number of triangles in the model
std::vector<EntityHandle> tris;
rval = mb->get_entities_by_type( 0, MBTRI, tris);
ERR_CHECK(rval);
std::cout << "There are " << tris.size() << " triangles in the model." << std::endl;
tri_numbers.push_back( int(tris.size()) );
//hand model's moab instance to dagmc
DagMC *dag = DagMC::instance(mb);
rval = dag->load_existing_contents();
ERR_CHECK(rval);
rval = dag->init_OBBTree();
ERR_CHECK(rval);
//get the first volume in the instance (for now)
Range vols;
rval = get_volumes( dag->moab_instance(), vols);
ERR_CHECK(rval);
//prep for analysis
double avg_fire_time;
CartVect source_pos;
source_pos[0] = 0.0; source_pos[1] = 0.0; source_pos[2] = 0.0;
double tot_avg = 0;
int avg_ints = 50;
for( unsigned int t = 0; t < avg_ints; t++)
{
fire_rand_rays( dag, vols[0], 10000, avg_fire_time, source_pos);
tot_avg += avg_fire_time;
}
tot_avg /= (double)avg_ints;
std::cout << "The average fire time for this mesh was: " << tot_avg << std::endl;
//clear everything in this moab instance and destroy the DagMC instance
ERR_CHECK(rval);
rval = mb->delete_mesh();
ERR_CHECK(rval);
InitCGMA::initialize_cgma();
GeometryQueryTool::instance()->delete_geometry(); //don't want to talk about it
timing.push_back( tot_avg );
}
//Write data to file
std::ofstream datafile;
std::string base_filename = filename.erase( filename.length()-4, filename.length() );
std::string data_filename = filename + "_model_data.dat";
datafile.open( data_filename.c_str() );
for( unsigned int i = 0; i < timing.size(); i++)
datafile << tri_numbers[i] << "\t" << timing[i] << "\t" << facet_tols[i] << std::endl;
return 0;
}